And don



(No Model.)

, O. C. STANLEY.

WRENGH.

UNITED STATES PATENT OFFICE. .Y

OEAMEL c. STANLEY, OE NEW YORK, N. Y., AssIGNoE E TWo-THIRDs To WILLIAMc. BOONE, OE EOONTON, NEW JERSEY, AND DON c. WATTEES,

OE OTTAWA, CANADA.

WRENCH.

SPECIFICATION forming part of Iletters Patent No. 517,074, dated March2'?, 1894.

Application filed J'nne 28, 1893. Serial No. 479,021- (No model.) i

To all whom it may concern.:

Be it known that I, ORAMEL C. STANLEY, a citizen of the United States,and aresident of the city of New York, in the county of New 5 York andState of New York, have invent-- ed certain new and useful Improvementsin Wrenches, of which the following is a specification. 'v

My invention relates to wrenches having a ro pivoted jaw, and consistsof combinations of deviceshereinafter described and more particularlypointed out in the claims concluding this specification.

The preferred form of myinventionis shown in the drawing accompanyingthis specification, and forming part hereof, in which- The referencenumeral 2 indicates a hollow handle, to receive the bar 3; and 4, aspring between the end of bar 3 and the closed end of zo said handle forforcing bar 3 outward. The bar 3 has a groove 5 in one side thereof intowhich the screw pin 6 projects, and so limits the motion of bar 3 withrelation to handle 2. The bar 3 has the serrated jaw 7 integraltherewith at its free end. On top of the handle 2 is the casing 8 havingthe cavity or socket 9 at the front thereof to receive the pivotedserrated jaw lO. The jaw 10 has a V- shaped transverse notch 1l at itsinner end to seat on 3o the V-shaped tooth or fulcrum 12 projectingintosocket 9 at the bottom thereof. '.lhejaw 10 has or may have atransverse groove 13. and the casing 8, a flange 14 to enter saidgroove. Any suitable spring is used to press 3 5 jaw 10 outward, and thegroove and Iiange prevent the jaw from coming out. But the groove andflange may be omitted, and the leaf spring 15, fastened to jaw 10, as bya pin 16, with its free end resting against the flange 4o or shoulder 17of the casing or handle, be used to hold the jaw 10 up and to retain itin place; or both these features may be used. The iiange 17 forms a stopfor the jaw 10 when the wrench is in use. The sides of the casing 8extend rearward and have pivoted between them the dog 18 which has oneor more teeth 19 for coaction with the teeth 20 on the bar 3. The pin 21on which the dog 18 is pivoted is somewhat smaller than the hole throughthe 5o dog, and the back of the dog is preferably made to fit closelyagainst the end 22 of the slot 23 in the handle 2'. The dog 18 ispressed against the bar 3 by a spring, as 24, under its handle or thumbpiece 25. p

By pushing in the bar 3, the spring .Lis com- 5 5 pressed and the jaws7, 10, made to approach each other. By pressing down on the thumbpiece25, the teeth 19 are removed from the ratchet 20, the bar 3 is pushedoutward by the spring 4 and jaws 7, 10 are caused to separate.

Many changes in details may be made Without departing from my invention.

The operation of my new wrench is that when `a pipe or other thing isgripped between the jaws, jaw 10 moves down until stopped by 65 shoulder17, the strain is transmitted through jaw 10, tooth 12, casing 8, stopor end 22, and the teeth of dog 18 to the teeth 20 of the bar 3. Thereis no strain on the pin 21.

Having thus fully described my invention, 7o what I claim as new, anddesire to secure by Letters Patent, is-

1. In awrench, a socket, a V-tooth projecting from the bottom thereof, ajaw having a V-notch fulcrumed on said tooth, and means preventing thedisplacement of said jaw, in combination, substantially as described.

2. In vawrench, the combination of acasing having a socket, a jaw havingits end resting free and loose against the bottom thereof, a flangeorshoulder projecting into said socket, and a spring fast to said j awand having its free end resting against said flange thereby holding thejaw in place, substantially as described. 8 5

3. In a wrench, a socket, a V- tooth at the bottom thereof, a jaw havinga V- notched end and fulcrumed on said tooth, a fiange or shoulder, anda spring fast to the jaw and having its end resting against saidshoulder, in com- 9o bination, substantially as described.

4.. In a Wrench, a socket, a pivoted jaw having a transverse groove, aflange to receive said groove, and a spring pressing said jaw towardsaid ange, in combination, substantially as described.

5. In a Wrench, a socket, a V- tooth at the bottom thereof, a jaw havinga V- notch to rest on said tooth, and a transverse groove, a flange toreceive said groove, and a spring pressing roo thejaw toward the flange,in combinatiomsub- In testimony that I claim the foregoing as rostantially as described. my invention I have signed my name, in pres- 6.In a Wrench, a. socket, a. V- tooth at the ence of two Witnesses, this24th day of June, bottom thereof, a j aw having aV- notch to rest 1893.5 on said tooth, and a transverse groove, a. flange to receive saidgroove, a spring fast to said ORAMEL C STANLEY' jaw, a shoulder againstwhich the end of the Witnesses: spring rests, in combination,substantially as DON C. WATTERS, described. R. XV. BARKLEY.

